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Staff Selection Commission Sub Inspector Exam

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Question : The histogen, from which epidermic is formed, is

Option 1: Dermatogen

Option 2: Periblem

Option 3: Plerome

Option 4: Calyptrogen

Team Careers360 21st Jan, 2024

Correct Answer: Dermatogen


Solution : The correct option is Dermatogen.

The histogen that gives rise to the epidermis is known as the "dermatogen." The term "dermatogen" refers to the main meristem tissue in plant roots that gives birth to the epidermal layer that covers the root's outer surface. This epidermal

80 Views

Question : In an election between two candidates, 65% of the voters cast their votes, out of which 3% of the votes were decided to be invalid. A candidate got 81,965 votes, which is 65% of the total valid votes. What is the total number of votes enrolled in that election?

Option 1: 2,00,000

Option 2: 1,90,000

Option 3: 2,15,000

Option 4: 1,85,000

Team Careers360 18th Jan, 2024

Correct Answer: 2,00,000


Solution : Let the total number of voters registered be $x$.
65% of the voters cast their votes.
Casted votes = $\frac{65x}{100}$
3% of cast votes were declared invalid.
Valid votes = $\frac{97}{100}×\frac{65x}{100}$
A candidate got 81965 votes which are 65% of the total valid votes.
So,

20 Views

Question : In ecology, _________ is determined by dividing the biomass per unit area by the age of the forest ecosystem.

Option 1: biomass density

Option 2: biomass size

Option 3: biomass energy flow

Option 4: biomass productivity

Team Careers360 18th Jan, 2024

Correct Answer: biomass productivity


Solution : The correct answer is biomass productivity.

In ecology, biomass productivity is determined by dividing the biomass per unit area by the age of the forest ecosystem. This calculation helps assess the rate at which biomass, or the total mass of living organisms in a

24 Views

Question : Three boys, on average, are 25 years old, and their ages are in the ratio of 3 : 5 : 7. What is the age of the youngest boy?

Option 1: 24 years

Option 2: 21 years

Option 3: 12 years

Option 4: 15 years

Team Careers360 18th Jan, 2024

Correct Answer: 15 years


Solution : The average age of the three boys is 25 years, which means the total age of the three boys is 25 × 3 = 75 years
Their ages are in the ratio 3 : 5 : 7.
The sum of the ratios is 3

56 Views

Question : Directions: Select the option that is related to the third letter cluster in the same way as the second letter cluster is related to the first letter cluster.
PORCH : IDSPQ :: MOIST : ?

Option 1: UTJQO

Option 2: OMITS

Option 3: OPJTU

Option 4: UTJPN

Team Careers360 16th Jan, 2024

Correct Answer: UTJPN


Solution : Given:
PORCH : IDSPQ :: MOIST : ?

Follow the pattern to obtain the required code –


Thus, PORCH is coded as IDSPQ.
Similarly, follow the same pattern for MOIST –

Thus, MOIST is coded as UTJPN. Hence, the fourth option is correct. 

19 Views

Question : If $\sqrt{0.04\times 0.4\times a}=0.004\times 0.4\times \sqrt{b},$ then the value of $\frac{a}{b}$ is:

Option 1: $16\times 10^{-3}$

Option 2: $16\times 10^{-4}$

Option 3: $16\times 10^{-5}$

Option 4: $16 \times 10^{-6}$

Team Careers360 16th Jan, 2024

Correct Answer: $16\times 10^{-5}$


Solution : $\sqrt{0.04\times 0.4\times a}=0.004\times 0.4\times \sqrt{b}$
Squaring both sides, we get,
$⇒0.04\times 0.4\times a=0.004^2\times 0.4^2\times {b}$
$⇒\frac{a}{b} = \frac{0.004 \times 0.004 \times 0.4 \times \times0.4}{0.04 \times 0.4}$
$⇒\frac{a}{b} = \frac{16}{10^{5}}$
$\therefore$ $\frac{a}{b} = 16 \times 10^{-5}$
Hence, the correct answer is $16 \times 10^{-5}$.

9 Views

Question : Which of the following principles is used to produce 'low temperatures'?

Option 1: Superconductivity

Option 2: Joule-Kelvin effect

Option 3: Thermo-electric effect

Option 4: Adiabatic demagnetisation

Team Careers360 16th Jan, 2024

Correct Answer: Adiabatic demagnetisation


Solution : The correct option is Adiabatic demagnetisation.

To achieve low temperatures, an adiabatic demagnetisation method is helpful. This technique helps to achieve low temperatures of around 1K for the electronic paramagnetic salts. However, the temperature can be as low as possible for the nuclear

136 Views

Question : What is the length of a bacterial cell?

Option 1: 3 to 5 µm

Option 2: 1 to 40 µm

Option 3: 30 to 50 µm

Option 4: 0 to 3 µm

Team Careers360 20th Jan, 2024

Correct Answer: 3 to 5 µm


Solution : The correct option is 3 to 5 µm.

The average length of bacterial cells falls within the range of 3 to 5 micrometres (µm). This range is a generalisation, and the actual size can vary depending on the bacterial species. Some

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